Bobbin for feeler mechanisms



1 1924. s p 15 c. A. WERCE B08811; FOR FEELER MECHANISMS Filed my 22 19;;

Inventor. Qmrence A Pmrfie Patented Sept. 16, 1924.

UNITED srrs CLARENCE A. PIERCE, OF LOWELL, TvIASSACHUSETTS, ASSIGNOR OF ONE-THIRD TO JUDE C. WADLEIGH AND ONE-THIRD T AVERY Bf CLARK, BOTH OF LOWELL,

MASSACHUSETTS.

301mm FOR FEELER MECHANISMS.

Application filed July 22, 1921. Serial No. 486,765.

To all whom it may concern Be it known that I, CLARENCE A. PIERCE, a citizen of the United States, residing at Lowell, county of Middlesex, State of Massa- 5 chusetts, have invented an Improvement in Bobbins for Feeler Mechanisms, of which the following description, in connection with the accompanying drawing, is a specification,

I like characters on the drawings representing like parts.

This invention relates to bobbins such as are used in loom shuttles and particularly to that type of bobbin known to the trade as the cone bobbin and which are made with a cone shaped portion adjacent the base and between the latter and the body of the spindle.

One of the objects of my present invention is to provide a bobbin of this nature which is. constructed so that a bunch may be wound thereon if it is desired to use a bobbin with a bunch, and which is also constructed so that it may be used with the type of feeler known to the trade as the sidesh feeler.

} he cone bobbin has the advantage that the yarn which is first wound on the bobbin and which is the last to be pulled off from the bobbin, is wound with the cone formation and will thus pull freely off from the bobbin without becoming entangled as is apt to be the case where the final end of the yarn is wound on a cylindrical portion of the bobbin.

Heretofore, however, it has not been proposed to wind bunches on cone bobbins and whenever it has been desired to use a bunchwound bobbin it has been the practice to employ a cylindrical bobbin.

By my invention I provide a bobbin of the cone type which is constructed so that a bunch may be wound thereon and which is also constructed so that the bunch may be freely strip ed therefrom after the bobbin has been ex austed of yarn.

In order to give an understanding of the invention, I have illustrated in the drawings a selected embodiment thereof which will now be described after which the novel features will be pointed out in the appended claims.

Fig. 1 is a side view of a bobbin embodying my invention, said figure showing in dotted lines a bunch wound on the bobbin.

Fig. 2 shows a bunch-wound bobbin embodyin my invention when the yarn has been exhausted therefrom to the point where the side-slip feeler will operate to effect a change of filling.

Fig. 3 shows a diflerent form of the invention.

In the drawings 1 indicates generally the bobbin which is formed with the cylindrical body portion 2. with the heel or base 3 and with the cone portion .twhich is interposed between the heel 3 and the body 2. This cone portion preferably hasa stepped surface 5 which is for the purpose of holding the yarn on the cone as the winding on the bobbin begins.

In order 'to provide a bobbin of this nature which is constructed to have a bunch wound thereon I propose to make t-hebobbin with the cylindrical bunch-receiving portion 6 at the foot of the cone portion and adjacent t-he heel 3. The bobbin is a-lsoshown as made with the plane uncorrugated cylindrical surface 7 at-the tip'of the cone and which is for the purpose of co-operating with the side-slip. feeler for setting in operation thev filling-replenishing mechanism when the filling is exhausted.

If it is desired to wind the bobbin with the bunch then the operator will first wind a bunch on the bunch-receiving portion 6 of the bobbin as indicated in dotted lines Fig. 1 and in full lines Fig. 2.

fter the bunch has been wound then the winding of the yarn on the bobbin will he proceeded with in usual mannerand when the yarn is first wound on the cone-sha ed portion 4 it Will accumulate in the note es formed by the stepped surface 5 as indicated in Fig. 2, this stepped surface 5 operating to hold the yarn in place on the cone."

In the use of the bobbin the, feeler will be set so that it will co-operate with the surface 7 thereof and when the yarn has been exhausted from the bobbin to a point where the surface 7 becomes bare then the side-slip feeler will becomeoperative to set in motion the filling-replenishing mechamsm. i.

If a bunclnwound bobbin is not desired then the windizg; cf the yarn on the bobbin 1 ed with in the usual way i may be. 'rocee without ormingg a bunch and the presence of the surface it on the bobbindoesnot rm terfere at all with the Winding of the bobbin without the bunch.

If it is desired to set the feeler so that it will operate on the cone portion of the bobbin rather than the cylindrical portion then I propose to form the cone portion 4 of the bobbin with the smooth flattened surface 10, the latter being positioned to cooperate With the feeler in the usual Way.

Where this construction is employed it will be necessary, of course, to insert the bobbin into the shuttle in a predetermined position so that the plane surface 10 may be properly situated to co-operate with the feeler.

I claim.

1; A bobbin having a cylindrical body portion a heel portion, a non-recessed cone shaped portion having a continuous surface interposed between the heel and the body portion and a cylindrical smooth-surfaced bunch-receiving portion at the base of the cone and between the latter and the heel.

2. A bobbin having a body portion, a heel portion, a non-recessed cone shaped portion having a continuous surface situated between the body portion and the heel portion and a cylindrical bunch-receiving portion at the base of the cone and between the latter and the heel, said bobbin having a smooth surface situated beyond the bunchreceivingportion and arranged to co-operate With a side slip feeler.

ln testimony whereof, I have signed my name to this specification.

CLARENCE A. PIERCE. 

